Blake Treinen, Edwin Díaz struggle as Dodgers lose two straight for first time this year

DENVER — For the first time this season, the Dodgers have lost back-to-back games. And in a 9-6 loss to the Rockies on Sunday, they picked an ugly way to do it. Despite being up three runs early, the Dodgers slowly wilted on a sunny afternoon at Coors Field. Roki Sasaki repeatedly stubbed his toe…